Rename stable to tip image

Author: sarahchen6

README.md

@@ -7,7 +7,7 @@ This repository holds Docker images for continuous integration jobs at [dd-trace
 Pre-built images are available in [GitHub Container Registry](https://github.com/DataDog/dd-trace-java-docker-build/pkgs/container/dd-trace-java-docker-build).
 
 Image variants are available on a per JDK basis:
-- The `base` variant and its aliases, `8`, `11`, `17`, `21`, `25`, `26`, and `stable`, contain the base Eclipse Temurin JDK 8, 11, 17, 21, 25, 26 early access, and latest stable JDK versions,
+- The `base` variant and its aliases, `8`, `11`, `17`, `21`, `25`, and `tip`, contain the base Eclipse Temurin JDK 8, 11, 17, 21, 25, and tip JDK version releases,
 - The `zulu8`, `zulu11`, `oracle8`, `ibm8`, `semeru8`, `semeru11`, `semeru17`, `graalvm17`, `graalvm21`, and `graalvm25` variants all contain the base JDKs in addition to the specific JDK from their name,
 - The `latest` variant contains the base JDKs and all the above specific JDKs.
 

build

@@ -3,7 +3,7 @@ set -eu
 
 readonly IMAGE_NAME="ghcr.io/datadog/dd-trace-java-docker-build"
 
-readonly BASE_VARIANTS=(8 11 17 21 25 26 stable)
+readonly BASE_VARIANTS=(8 11 17 21 25 tip)
 
 readonly VARIANTS=(
     7
@@ -164,7 +164,7 @@ function do_inner_test() {
     "$JAVA_26_HOME/bin/java" -version
     "${!java_latest_home}/bin/java" -version
     if [[ $variant != base && $variant != latest ]]; then
-        if [[ $variant == "stable" ]]; then
+        if [[ $variant == "tip" ]]; then
             variant_lower="${LATEST_VERSION}"
             variant_upper="${LATEST_VERSION}"
         fi
@@ -207,7 +207,7 @@ function do_inner_describe() {
     echo "## JDKs"
     echo
     for variant in "${BASE_VARIANTS[@]}" "${VARIANTS[@]}"; do
-        if [[ $variant == "stable" ]]; then
+        if [[ $variant == "tip" ]]; then
             variant_upper="${LATEST_VERSION}"
         else
             variant_upper="${variant^^}"